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Chapter 1

Level 1: Normal sinus rhythm

It’s crucial to be able to quickly identify the patient’s rhythm. So let’s set a foundation to distinguish rhythmic or arrhythmic, sinus rhythm, or something else.
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8m
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Chapter 2

Level 2: Life-threatening rhythms

There are several important and sometimes life-threatening rhythms that you should be able to recognize at a glance. Learn how to identify these rhythms instantly. 
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6m
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Chapter 3

Level 3: Rapid, regular, and broad rhythms

Here you’ll learn to differentiate between the varying forms of regular broad complex tachycardias, a key skill in rhythm analysis.
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8m
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Chapter 4

Level 4: Rapid, regular, and narrow rhythms

There are various causes for regular narrow complex tachycardias. Here are some valuable tricks on how to differentiate between them.
2 lessons
15m
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Chapter 5

Level 5: Abnormal P waves

P waves can do funny things. They can be absent or their orientation can be abnormal. Let’s take a look at diagnosing junctional rhythms and atrial fibrillation.
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15m
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Chapter 6

Level 6: Excess P waves

Are you counting more P waves than QRS complexes on an ECG? In this level, learn the pearls and pitfalls when it comes to counting the Ps.
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8m
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Chapter 7

Level 7: High-degree AV blocks

When there are more P waves than QRS complexes, a high-degree AV block might be at play. Learn what that means and what kinds of blocks exist. 
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16m
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Chapter 8

Level 8: The basic rhythm and its interruptions

Learn what we mean by basic rhythm, in what ways this rhythm can be interrupted, and how to interpret these rhythm changes or disruptions. Plus, use our handy arrhythmia checklist.
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5m
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Chapter 9

Level 9: Unexpected beats

This level will clarify everything you need to know about ectopic beats, such as PVCs (premature ventricular contractions) that occur during sinus rhythm. 
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16m
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Chapter 10

Level 10: Pauses, Rhythm Cheat Sheet, and AV dissociation

Have you ever seen pauses on the ECG? We’ll teach you when to worry and when to keep cool. Plus, we introduce our ECG Rhythm Cheat Sheet—a step-wise approach to ECG interpretation.
3 lessons
21m
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Chapter 11

Level 11: Pacemakers

Differentiate between normal and abnormal pacemaker function and learn to interpret the code provided by a patient’s pacemaker.
2 lessons
16m
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Teachers of this course
Image of Franz Wiesbauer, MD MPH
Franz Wiesbauer, MD MPH
Franz is the founder and CEO of Medmastery. He is an internist with a specialization in cardiology and a master’s in public health from Johns Hopkins University.
Medmastery.com
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Image of Peter Kühn, MD
Peter Kühn, MD
Cardiologist. Former head of cardiology. Author of several popular ECG books.
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